Literature Reference: 槐柳渐萧疎,闲门少光彩。—— 《和乐天秋凉闲卧》 The locust and willow trees gradually become sparse, and the idle gate loses its brilliance. Source from 'He Letian Qiuliang Xianwo'.
萧: Xiao Ran, desolate and sparse. Noble and detached, unconstrained.
疎: "Shu", synonymous with "sparse".
Meaning: Sparse and desolate, it implies a peaceful and detached life, far from the hustle and bustle.